public SliderNode(
AParentSceneNode parent,
Transform localTransform,
// what parameter does this slider drag?
Parameter parameter,
// at what angle is the slider oriented?
float rotation,
// how long is the slider in screen space?
int screenLength,
// how far is the slider's origin from the transform's translation, in screen space?
int originScreenOffset,
// what is the slider's label?
string label)
: base(parent, localTransform, label)
{
m_parameter = parameter;
m_rotation = rotation;
m_screenLength = screenLength;
m_originScreenOffset = originScreenOffset;
// calculate the endpoints
m_zeroEnd = ValueToLocal(0);
m_oneEnd = ValueToLocal(1);
double absRotation = Math.IEEERemainder(rotation, Math.PI * 2);
if (absRotation < 0) {
absRotation += Math.PI * 2;
}
m_label = new TextNode(this, label + "_text");
bool overPi = absRotation > Math.PI;
m_label.Alignment = overPi ? Alignment.TopLeft : Alignment.TopRight;
m_label.Text.Append(label);
m_label.LocalTransform = new Transform(m_oneEnd, new Vector2(0.7f));
// seems the line rotation and label rotation go in opposite directions, feh!
m_label.Rotation = -rotation + (float)(Math.PI / 2) + (overPi ? (float)Math.PI : 0);
m_fullLine = new LineNode(this, "fullLine");
m_fullLine.SetEndpoints(m_zeroEnd, m_oneEnd);
m_sliderLine = new LineNode(this, "sliderLine");
m_sliderLine.LocalTransform = new Transform(Vector2.Zero, new Vector2(3f)); // 3-pixel wide line
Value = m_parameter[0];
}
public BeatNode(
AParentSceneNode parent,
Transform localTransform,
string label,
// are we filling in every beat, or just the current beat?
bool fillInEveryBeat,
// by how much do we scale down our texture when rendering a quarter note?
float textureScale,
Func<Duration<Sample>> trackLengthFunc,
Func<int> initialBeatFunc,
Func<Color> colorFunc)
: base(parent, localTransform, label)
{
m_fillInEveryBeat = fillInEveryBeat;
m_textureScale = textureScale;
m_trackLengthFunc = trackLengthFunc;
m_initialBeatFunc = initialBeatFunc;
m_colorFunc = colorFunc;
}
public TextSpriteNode(
AParentSceneNode parent,
Transform localTransform,
string label,
Texture2D background,
Texture2D highlight)
: base(parent, localTransform, label)
{
m_spriteNode = new SpriteNode(this, label + "_sprite", background);
m_spriteNode.Origin = new Vector2(0.5f);
m_textNode = new TextNode(this, label + "_text");
m_textNode.Alignment = Alignment.Centered;
m_textNode.Text.Append(label);
m_textNode.LocalTransform = new Transform(Vector2.Zero, new Vector2(0.6f));
m_highlightSpriteNode = new SpriteNode(this, label + "_highlight", highlight);
m_highlightSpriteNode.Origin = new Vector2(0.5f);
}
protected override void DoRender(
Moment now,
GraphicsDevice graphicsDevice,
ISpriteBatch spriteBatch,
TextureContent content,
HolofunkView view,
Transform parentTransform,
int depth)
{
bool positionMirrored =
SecondaryViewOption == SecondaryViewOption.PositionMirrored
&& view == HolofunkView.Secondary;
Vector2 p0 = m_p0 + parentTransform.Translation;
Vector2 p1 = m_p1 + parentTransform.Translation;
if (positionMirrored) {
p0 = new Vector2(spriteBatch.Viewport.X - p0.X, p0.Y);
p1 = new Vector2(spriteBatch.Viewport.X - p1.X, p1.Y);
}
Vector2 diff = Vector2.Subtract(p1, p0);
float angleRadians = (float)Math.Atan2(diff.Y, diff.X);
float length = (float)Math.Sqrt(diff.X * diff.X + diff.Y * diff.Y) / 2;
// Use NonPremultiplied, as our sprite textures are not premultiplied
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.NonPremultiplied);
spriteBatch.Draw(
content.TinyDot,
p0,
null,
Color,
angleRadians,
new Vector2(0f, 1f), // we pivot around the center of the left edge of the 2x2 square
new Vector2(length, LocalTransform.Scale.Y),
SpriteEffects.None,
0);
spriteBatch.End();
}
internal TrackNode(
AParentSceneNode parent,
Transform transform,
string label,
TextureContent content,
int id,
SparseSampleByteStream videoStream,
bool fillInEveryBeat,
Func<float> levelRatioFunc,
Func<Color> circleColorFunc,
Func<Color> videoColorFunc,
Func<Duration<Sample>> trackDurationFunc,
Func<int> initialBeatFunc,
Func<Color> beatColorFunc,
Func<float> videoRateFunc)
: base(parent, transform, label)
{
m_id = id;
m_levelRatioFunc = levelRatioFunc;
m_circleColorFunc = circleColorFunc;
m_videoColorFunc = videoColorFunc;
m_beatColorFunc = beatColorFunc;
m_videoRateFunc = videoRateFunc;
// create this first so it is Z-ordered behind m_soundNode
m_selectNode = new SpriteNode(this, "TrackHighlight", content.FilledCircle);
m_selectNode.Color = new Color((byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80);
m_selectNode.Origin = new Vector2(0.5f);
m_soundNode = new SpriteNode(this, "TrackSound", content.FilledCircle);
m_soundNode.Color = Color.Blue;
m_soundNode.Origin = new Vector2(0.5f);
m_videoNode = new SpriteNode(this, "Headshot", content.NewDynamicTexture(MagicNumbers.HeadCaptureSize, MagicNumbers.HeadCaptureSize));
m_videoNode.Origin = new Vector2(0.5f);
m_videoNode.LocalTransform = new Transform(new Vector2(0), new Vector2(MagicNumbers.HeadRatio));
m_videoNode.SetSecondaryViewOption(SecondaryViewOption.TextureMirrored);
m_videoStream = videoStream;
m_beatNode = new BeatNode(
this,
// move it down a bit from the sprite node
new Transform(new Vector2(0, 75)),
"TrackBeats",
fillInEveryBeat,
MagicNumbers.MeasureCircleScale,
trackDurationFunc,
initialBeatFunc,
beatColorFunc);
m_beatNode.SetSecondaryViewOption(SecondaryViewOption.PositionMirrored);
// we always mirror track node position
SetSecondaryViewOption(SecondaryViewOption.PositionMirrored);
m_lastVideoFrame = default(Slice<Frame, byte>);
}
protected override void DoRender(Moment now, GraphicsDevice graphicsDevice, ISpriteBatch spriteBatch, TextureContent content, HolofunkView view, Transform parentTransform, int depth)
{
m_videoRateCounter += m_videoRateFunc();
if (m_videoRateCounter >= 1f) {
m_videoRateCounter -= 1f;
lock (this) {
if (VideoStream != null) {
s_totalRenders++;
Slice<Frame, byte> videoImage = VideoStream.GetClosestSliver(now.Time + MagicNumbers.LatencyCompensationDuration);
if (!videoImage.IsEmpty()) {
if (videoImage.Equals(m_lastVideoFrame)) {
// skip the setData
s_redundantSetDatas++;
}
else {
// blast the data in there with a single pointer-based memory copy
videoImage.RawAccess((array, offset, count) => m_videoNode.Texture.SetData(array, (int)offset, (int)count));
m_lastVideoFrame = videoImage;
}
}
}
else {
// ain't nothing to show
m_videoNode.Texture.SetData(BlankTextureData);
}
}
}
base.DoRender(now, graphicsDevice, spriteBatch, content, view, parentTransform, depth);
}
/// <summary>Combine the two transforms by adding their translations and multiplying their scales,
/// WITHOUT scaling their translations in any way.</summary>
public Transform CombineWith(Transform other)
{
return new Transform(Translation + other.Translation, Scale * other.Scale);
}
/// <summary>Render this AParentSceneNode by rendering all its children.</summary>
protected override void DoRender(
Moment now,
GraphicsDevice graphicsDevice,
ISpriteBatch spriteBatch,
TextureContent content,
HolofunkView view,
Transform parentTransform,
int depth)
{
Transform combinedTransform = parentTransform.CombineWith(LocalTransform);
if (view == HolofunkView.Secondary && SecondaryViewOption == SecondaryViewOption.PositionMirrored) {
combinedTransform = new Transform(
new Vector2(
spriteBatch.Viewport.X - combinedTransform.Translation.X,
combinedTransform.Translation.Y),
combinedTransform.Scale);
}
Spam.Graphics.WriteLine(new string(' ', depth * 4) + Label + ": parentTransform " + parentTransform + ", localTransform " + LocalTransform + ", combinedTransform " + combinedTransform);
// m_children must only be enumerated / mutated under lock (this)
lock (this) {
m_childSnapshot.AddRange(m_children);
}
for (int i = 0; i < m_childSnapshot.Count; i++) {
m_childSnapshot[i].Render(now, graphicsDevice, spriteBatch, content, view, combinedTransform, depth + 1);
}
// note that clearing preserves the capacity in the list, so no reallocation on next render
m_childSnapshot.Clear();
}
protected AParentSceneNode(AParentSceneNode parent, Transform localTransform, string label)
: base(parent, localTransform, label)
{
}
protected override void DoRender(
Moment now,
GraphicsDevice graphicsDevice,
ISpriteBatch spriteBatch,
TextureContent content,
HolofunkView view,
Transform parentTransform,
int depth)
{
Transform combinedTransform = parentTransform.CombineWith(LocalTransform);
spriteBatch.Begin();
Vector2 textSize = content.SpriteFont.MeasureString(m_text);
Vector2 origin = Vector2.Zero;
if (Alignment == Alignment.Centered) {
origin = textSize / 2;
}
else if (Alignment == Alignment.TopRight) {
origin = new Vector2(textSize.X, 0);
}
spriteBatch.DrawString(
content.SpriteFont,
m_text,
combinedTransform.Translation,
Color,
Rotation,
origin,
combinedTransform.Scale.X,
SpriteEffects.None,
0);
spriteBatch.End();
}
/// <summary>
/// Start recording a new loopie; return null if we have no free streams.
/// </summary>
internal Loopie StartRecording(Moment now, Transform handPosition, bool isRight)
{
Loopie ret = m_parent.StartRecordingNewLoopie(now, m_playerIndex, isRight, AsioChannel, handPosition);
return ret;
}
protected override void DoRender(
Moment now,
GraphicsDevice graphicsDevice,
ISpriteBatch spriteBatch,
TextureContent content,
HolofunkView view,
Transform parentTransform,
int depth)
{
if (m_totalBeats == 0) {
// there is no actual track here; we do not render
return;
}
Transform combinedTransform = parentTransform.CombineWith(LocalTransform);
// How many measures?
long measureCount = (m_totalBeats + 3) / 4;
// note that the quarter-circle only takes up one quarter of quarterCircleRect; this is deliberate
Rectangle quarterCircleRect = TextureRect(content.QuarterHollowCircle, combinedTransform.Scale * m_textureScale);
Vector2 measuresOrigin = combinedTransform.Translation;
measuresOrigin.X -= ((Math.Min(4, measureCount) * quarterCircleRect.Width) / 2);
Color color = m_colorFunc();
Spam.Graphics.WriteLine(new string(' ', depth * 4) + Label + ": parentTransform " + parentTransform + ", localTransform " + LocalTransform + ", combinedTransform " + combinedTransform + ", color " + color.ToString());
for (int b = 0; b < m_totalBeats; b++) {
float filledness;
if (m_fillInEveryBeat) {
if (b < m_currentBeat) {
filledness = 1;
}
else if (b == m_currentBeat) {
filledness = (float)m_fractionalBeat;
}
else {
filledness = 0;
}
}
else {
if (b == m_currentBeat) {
filledness = (float)(1 - m_fractionalBeat);
}
else {
filledness = 0;
}
}
DrawQuarterCircle(spriteBatch, content, quarterCircleRect, measuresOrigin, b, color, filledness, depth);
}
}
public GroupNode(AParentSceneNode parent, Transform localTransform, string label)
: base(parent, localTransform, label)
{
}
public SpriteBatchWrapper(SpriteBatch spriteBatch, Vector2 viewport, Transform transform)
{
m_spriteBatch = spriteBatch;
m_viewport = viewport;
m_transform = transform;
}
protected override void LoadContent()
{
base.LoadContent();
float scale = GraphicsDevice.PresentationParameters.BackBufferHeight / m_viewportSize.Y;
float scaledViewportWidth = m_viewportSize.X * scale;
float scaledViewportOffset = (GraphicsDevice.PresentationParameters.BackBufferWidth - scaledViewportWidth) / 2;
Transform transform = new Transform(new Vector2(scaledViewportOffset, 0), new Vector2(scale));
m_spriteBatch = new SpriteBatchWrapper(new SpriteBatch(GraphicsDevice), ViewportSize, transform);
var holofunkContent = new HolofunkTextureContent(Content, GraphicsDevice);
m_model = new HolofunkModel(
GraphicsDevice,
m_clock,
m_holofunkBass,
m_kinect,
holofunkContent,
m_viewportSize,
m_clock.BPM,
m_audioAllocator,
m_videoAllocator);
}
protected override void DoRender(
Moment now,
GraphicsDevice graphicsDevice,
ISpriteBatch spriteBatch,
TextureContent content,
HolofunkView view,
Transform parentTransform,
int depth)
{
// no texture = no-op
if (m_texture == null) {
return;
}
int left = -(int)((float)m_texture.Width * m_origin.X);
int top = -(int)((float)m_texture.Height * m_origin.Y);
Rectangle rect = new Rectangle(left, top, m_texture.Width, m_texture.Height);
Transform combinedTransform = parentTransform.CombineWith(LocalTransform);
Rectangle transformedRect = rect * combinedTransform;
Spam.Graphics.WriteLine(new string(' ', depth * 4) + Label + ": parentTransform " + parentTransform + ", localTransform " + LocalTransform + ", combinedTransform " + combinedTransform + "; start rect " + rect.FormatToString() + "; transformedRect " + transformedRect.FormatToString());
Texture2D texture = m_texture;
SpriteEffects effects = SpriteEffects.None;
if (view == HolofunkView.Secondary) {
if ((SecondaryViewOption & SecondaryViewOption.TextureMirrored) != 0) {
effects = SpriteEffects.FlipHorizontally;
}
if ((SecondaryViewOption & SecondaryViewOption.PositionMirrored) != 0) {
// need to flip transformedRect around center of viewport
int newLeft = (int)spriteBatch.Viewport.X - transformedRect.Right;
transformedRect = new Rectangle(newLeft, transformedRect.Y, transformedRect.Width, transformedRect.Height);
}
if ((SecondaryViewOption & SecondaryViewOption.SecondTexture) != 0) {
HoloDebug.Assert(m_secondaryTexture != null);
texture = m_secondaryTexture;
}
}
Color color = m_color;
if (view == HolofunkView.Secondary && m_secondaryColor.HasValue) {
color = m_secondaryColor.Value;
}
// Use NonPremultiplied, as our sprite textures are not premultiplied
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.NonPremultiplied);
spriteBatch.Draw(
texture,
transformedRect,
null,
color,
0,
m_origin,
effects,
0);
spriteBatch.End();
}
